refactor(database): Implement database in Typescript

.gitignore

@@ -4,7 +4,8 @@
 npm-debug.log
 /coverage
 /.nyc_output
-/tests/integration/config
+/tests/config
 /temp
 /.vscode
+/.ts-node
 /.idea

.travis.yml

@@ -16,8 +16,6 @@ addons:
       - g++-4.8
 before_script:
   - "export DISPLAY=:99.0"
+  - "mkdir -p tests/config && echo \"$PROJECT_CONFIG\" > tests/config/project.json"
 script:
   - xvfb-run npm test
-branches:
-  only:
-    - master

gulp/config.js

@@ -17,9 +17,13 @@ const path = require('path');
 const cwd = process.cwd();
 const karma = require('karma');
 
-module.exports = {
+const configObj = {
   root: path.resolve(cwd),
   pkg: require(path.resolve(cwd, 'package.json')),
+  testConfig: {
+    timeout: 5000,
+    retries: 5
+  },
   tsconfig:  require(path.resolve(cwd, 'tsconfig.json')),
   tsconfigTest:  require(path.resolve(cwd, 'tsconfig.test.json')),
   paths: {
@@ -30,6 +34,7 @@ module.exports = {
         'tests/**/*.test.ts',
         '!tests/**/browser/**/*.test.ts',
         '!tests/**/binary/**/*.test.ts',
+        '!src/firebase-*.ts',
       ],
       binary: [
         'tests/**/binary/**/*.test.ts',
@@ -44,11 +49,10 @@ module.exports = {
   },
   babel: {
     plugins: [
-      require('babel-plugin-add-module-exports'),
-      require('babel-plugin-minify-dead-code-elimination')
+      'add-module-exports',
     ],
     presets: [
-      [require('babel-preset-env'), {
+      ['env', {
         "targets": {
           "browsers": [
             "ie >= 9"
@@ -103,7 +107,7 @@ module.exports = {
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ['Chrome', 'Firefox'],
+    browsers: ['ChromeHeadless', 'Firefox'],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits
@@ -116,6 +120,16 @@ module.exports = {
     // karma-typescript config
     karmaTypescriptConfig: {
       tsconfig: `./tsconfig.test.json`
+    },
+
+    // Stub for client config
+    client: {
+      mocha: {}
     }
   }
-};
+};
+
+configObj.karma.client.mocha.timeout = configObj.testConfig.timeout;
+configObj.karma.client.mocha.retries = configObj.testConfig.retries;
+
+module.exports = configObj;

gulp/tasks/build.js

@@ -42,7 +42,6 @@ const glob = require('glob');
 const fs = require('fs');
 const gzipSize = require('gzip-size');
 const WrapperPlugin = require('wrapper-webpack-plugin');
-const legacyBuild = require('./build.legacy');
 
 function cleanDist(dir) { 
   return function cleanDistDirectory(done) {
@@ -135,11 +134,12 @@ function compileIndvES2015ModulesToBrowser() {
       'firebase-app': './src/app.ts',
       'firebase-storage': './src/storage.ts',
       'firebase-messaging': './src/messaging.ts',
+      'firebase-database': './src/database.ts',
     },
     output: {
-      path: path.resolve(__dirname, './dist/browser'),
       filename: '[name].js',
-      jsonpFunction: 'webpackJsonpFirebase'
+      jsonpFunction: 'webpackJsonpFirebase',
+      path: path.resolve(__dirname, './dist/browser'),
     },
     module: {
       rules: [{
@@ -158,6 +158,7 @@ function compileIndvES2015ModulesToBrowser() {
       }]
     },
     plugins: [
+      new webpack.optimize.ModuleConcatenationPlugin(),
       new webpack.optimize.CommonsChunkPlugin({
         name: 'firebase-app'
       }),
@@ -193,27 +194,6 @@ function compileIndvES2015ModulesToBrowser() {
     .pipe(gulp.dest(`${config.paths.outDir}/browser`));
 }
 
-function compileSDKES2015ToBrowser() {
-  return gulp.src('./dist/es2015/firebase.js')
-    .pipe(webpackStream({
-      plugins: [
-        new webpack.DefinePlugin({
-          TARGET_ENVIRONMENT: JSON.stringify('browser')
-        })
-      ]
-    }, webpack))
-    .pipe(sourcemaps.init({ loadMaps: true }))
-    .pipe(through.obj(function(file, enc, cb) {
-      // Dont pipe through any source map files as it will be handled
-      // by gulp-sourcemaps
-      var isSourceMap = /\.map$/.test(file.path);
-      if (!isSourceMap) this.push(file);
-      cb();
-    }))
-    .pipe(sourcemaps.write('.'))
-    .pipe(gulp.dest(`${config.paths.outDir}/browser`));
-}
-
 function buildBrowserFirebaseJs() {
   return gulp.src('./dist/browser/*.js')
     .pipe(sourcemaps.init({ loadMaps: true }))
@@ -223,32 +203,18 @@ function buildBrowserFirebaseJs() {
 }
 
 function buildAltEnvFirebaseJs() {
-  const envs = [
-    'browser',
-    'node',
-    'react-native'
-  ];
-
-  const streams = envs.map(env => {
-    const babelConfig = Object.assign({}, config.babel, {
-      plugins: [
-        ['inline-replace-variables', {
-          'TARGET_ENVIRONMENT': env
-        }],
-        ...config.babel.plugins
-      ]
-    });
-    return gulp.src('./dist/es2015/firebase.js')
-      .pipe(sourcemaps.init({ loadMaps: true }))
-      .pipe(babel(babelConfig))
-      .pipe(rename({
-        suffix: `-${env}`
-      }))
-      .pipe(sourcemaps.write('.'))
-      .pipe(gulp.dest(`${config.paths.outDir}/cjs`));
+  const babelConfig = Object.assign({}, config.babel, {
+    plugins: config.babel.plugins
   });
-
-  return merge(streams);
+  return gulp.src([
+      './dist/es2015/firebase-browser.js',
+      './dist/es2015/firebase-node.js',
+      './dist/es2015/firebase-react-native.js',
+    ])
+    .pipe(sourcemaps.init({ loadMaps: true }))
+    .pipe(babel(babelConfig))
+    .pipe(sourcemaps.write('.'))
+    .pipe(gulp.dest(`${config.paths.outDir}/cjs`));
 }
 
 function copyPackageContents() {
@@ -429,7 +395,6 @@ gulp.task('build:cjs', gulp.parallel([
     gulp.parallel(compileES2015ToCJS, buildAltEnvFirebaseJs)
   ]),
   processPrebuiltFilesForCJS,
-  legacyBuild.compileDatabaseForCJS
 ]));
 
 gulp.task('process:prebuilt', gulp.parallel([
@@ -444,8 +409,6 @@ const compileSourceAssets = gulp.series([
   gulp.parallel([
     compileIndvES2015ModulesToBrowser, 
     compileES2015ToCJS,
-    legacyBuild.compileDatabaseForBrowser,
-    legacyBuild.compileDatabaseForCJS
   ])
 ]);
 
@@ -455,7 +418,6 @@ gulp.task('build:browser', gulp.series([
   gulp.parallel([
     compileSourceAssets,
     processPrebuiltFilesForBrowser,
-    legacyBuild.compileDatabaseForBrowser
   ]),
   buildBrowserFirebaseJs
 ]));

gulp/tasks/dev.js

@@ -17,19 +17,18 @@ const gulp = require('gulp');
 const config = require('../config');
 
 // Ensure that the test tasks get set up
-require('./test');
+const testFxns = require('./test');
 
 function watchDevFiles() {
   const stream = gulp.watch([
     `${config.root}/src/**/*.ts`,
-    config.paths.test.unit
-  ], gulp.parallel('test:unit'));
+    'tests/**/*.test.ts'
+  ], testFxns.runBrowserUnitTests(true));
 
-  stream.on('error', () => {});
+  stream.on('error', err => {});
   return stream;
 }
 
 gulp.task('dev', gulp.parallel([
-  'test:unit',
   watchDevFiles
 ]));